All Questions

19771 questions

1 answers
359 views
0

Mysterious 1 second wait for requests that exceed backlog

When I was experimenting with writing a C++ client/server code on a local host that repeatedly connects and disconnects TCP, I encountered a mysterious one-second pause in processing requests that exc...

c++ network tcp

1 years ago

1 answers
218 views
0

C language pointer: I don't know why it's an error

#include <stdio.h>int main(void){ int i = 0; int* pt1; //pt1=ar1=&ar1[0] //pt1 is the order of address storage, and you go to 77755 and read the value //*The value at pt177755 unsigned int ...

1 years ago

1 answers
413 views
0

Cors errors when using the corporate number API from the front end

When I tried to obtain corporate information using the corporate number API provided by the National Tax Service on the front end side, the following cors error occurred on the browser console.I'd lik...

aws reactjs cors

1 years ago

2 answers
441 views
0

Create a for statement code to modify the contents of the pandas data frame

Hello, I'm working on the data frame using Pandas, but it hasn't been solved, so I'm posting a question like this.Data frames need to be loaded and modified for each row. For example, if it's row 1, c...

pandas dataframe python

1 years ago

1 answers
341 views
0

(c language) Numeric Count Question (++) printf If you specify cnt++; outside the sentence, and printf("%d", cnt++), the result will be different.

We are coding to count the number of lines and the corresponding numbers.For example, if you enter 5, the calculation is 12 34 5 67 8 9 1011 12 13 14 15The coding that results in this way.First, you s...

1 years ago

1 answers
278 views
0

We need help in evaluating school information performance.

//drink=['milkis', 1000'won', ['toretta', 1200'won', ['peach green tea', 1500'won', ['fanta', 1000'won']]]while True: want=input('milkis, torreta, peach green tea, and Fanta. Please choose the drink y...

python

1 years ago

1 answers
361 views
0

(c language) Numeric Count Question (++) printf If you specify cnt++; outside the sentence, and printf("%d", cnt++), the result will be different.

1 years ago

1 answers
469 views
0

Is it possible to set the prefix to a dynamic value when uploading the file of s3 and igniting lambda?

With s3 attached to lambda, set s3 prefix to test/{dynamic-id}/photo-id/ from the configuration trigger and I uploaded the file with the test/1/photo-id of the s3 bucket, but the lambda function is no...

aws amazon-s3 aws-lambda

1 years ago

1 answers
390 views
0

github command inaccessible during tethering

If you use regular Wi-Fi (hotel or home Wi-Fi), the git pull and push commands are fine, but if you only use tethering or pocket Wi-Fi, the push and pull commands will keep loading.Ping 8.8.8.8 works ...

github ssh

1 years ago

2 answers
302 views
0

I want to treat the comment symbol `<##>` in the shell as a string

I want to replace the <#CLIENT_KEY#> string in the source code with 12345789 in the shell script, but I got an error and I can't run it../ci_post_clone.sh:13:parse error near`\n'What should I do...

zsh shell

1 years ago

- 82 -

Popular Tags

python x 4647

android x 1593

java x 1494

javascript x 1427

c x 927

c++ x 878

ruby-on-rails x 696

php x 692

python3 x 685

html x 656